68668617001164 has 12 divisors (see below), whose sum is σ = 160226773002744. Its totient is φ = 22889539000384.

The previous prime is 68668617001151. The next prime is 68668617001199. The reversal of 68668617001164 is 46110071686686.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 68668617001098 and 68668617001107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861192375037 + ... + 2861192375060.

It is an arithmetic number, because the mean of its divisors is an integer number (13352231083562).

Almost surely, 2^{68668617001164} is an apocalyptic number.

It is an amenable number.

68668617001164 is an abundant number, since it is smaller than the sum of its proper divisors (91558156001580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68668617001164 is a wasteful number, since it uses less digits than its factorization.

68668617001164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722384750104 (or 5722384750102 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 68668617001164 in words is "sixty-eight trillion, six hundred sixty-eight billion, six hundred seventeen million, one thousand, one hundred sixty-four".